US8609274B2 - Nested heatsink housing for lithium ion cells - Google Patents
Nested heatsink housing for lithium ion cells Download PDFInfo
- Publication number
- US8609274B2 US8609274B2 US12/730,642 US73064210A US8609274B2 US 8609274 B2 US8609274 B2 US 8609274B2 US 73064210 A US73064210 A US 73064210A US 8609274 B2 US8609274 B2 US 8609274B2
- Authority
- US
- United States
- Prior art keywords
- half section
- tongue
- groove
- longitudinal side
- cell housing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related, expires
Links
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/258—Modular batteries; Casings provided with means for assembling
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/61—Types of temperature control
- H01M10/613—Cooling or keeping cold
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/64—Heating or cooling; Temperature control characterised by the shape of the cells
- H01M10/647—Prismatic or flat cells, e.g. pouch cells
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/655—Solid structures for heat exchange or heat conduction
- H01M10/6551—Surfaces specially adapted for heat dissipation or radiation, e.g. fins or coatings
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/655—Solid structures for heat exchange or heat conduction
- H01M10/6556—Solid parts with flow channel passages or pipes for heat exchange
- H01M10/6557—Solid parts with flow channel passages or pipes for heat exchange arranged between the cells
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49002—Electrical device making
- Y10T29/49108—Electric battery cell making
Definitions
- the present invention relates to housings that may be used to contain a battery cell therein.
- a plurality of the housings with their respective battery cells may be stacked together to form a battery.
- Lithium ion batteries commonly employ metal heat sink and structural components as parts of a stacked battery assembly. These components are assembled from formed sheet metal components, which are inserted between individual battery cells. The battery cells and the interlayered sheet metal components are held together with metal or plastic bands. Spacing of the assembly relies on the thickness of the cells and is not well controlled, leading to inconsistencies in the manufacture of the batteries and reduced cell performance.
- the present invention provides an apparatus comprising a first half section including a first longitudinal side and a first lateral side extending perpendicularly from the first longitudinal side.
- the first lateral side has a first tongue.
- the first tongue has a first tongue lip extending toward the first longitudinal side.
- a second half section comprises a second longitudinal side and a second lateral side extending perpendicularly from the second longitudinal side.
- the second lateral side has a first groove.
- the first groove has a first groove lip extending toward the second longitudinal side.
- the first and second half sections are coupled to each other such that the first tongue of the first half section is inserted into the first groove of the second half section, forming a closed perimeter.
- a first clip is disposed over the first tongue lip of the first half section and the first groove lip of the second half section. The first clip secures the first and second half sections to each other.
- the present invention provides a method of manufacturing a cell comprising the steps of disposing an electrical cell between a first half section of a cell housing and a second half section of the cell housing, the second half section being identical to the first half section.
- the first half section comprises a longitudinal side having a first end and a second end and a first lateral side extending perpendicularly to the longitudinal side from the first end.
- the first lateral side has a first tongue.
- the first tongue has a first tongue lip extending toward the longitudinal side.
- a second lateral side extends perpendicularly to the longitudinal side from the second end.
- the second lateral side has a first groove.
- the first groove has a first groove lip extending toward the longitudinal side.
- the method further comprises the steps of engaging the first tongue of the first half section with the first groove of the second half section and the first tongue of the second half section with the first groove of the first half section; applying an even pressure along the longitudinal side of the first and second half sections; and securing the first and second half sections to each other.
- the present invention provides a cell housing comprising a first half section including a longitudinal wall having a first end and a second end and a first lateral wall extending perpendicular to the first longitudinal wall from the first end.
- the first lateral wall has a tongue at a free end thereof.
- a second lateral wall extends parallel to the first lateral wall from the second end.
- the second lateral wall has a groove at a free end thereof.
- a second half section is identical to the first half section.
- a tongue of the second half section is inserted into the groove of the first half section and the tongue of the first half section is inserted into a groove of the second half section.
- a first clip secures the first half section to the second half section at the free end of the first lateral wall.
- a second clip secures the first half section to the second half section at the free end of the second lateral wall.
- FIG. 1 is a top plan view of a cell housing according to an exemplary embodiment of the present invention
- FIG. 2 is a perspective view of the cell housing of FIG. 1 ;
- FIG. 3 is an exploded perspective view of the cell housing of FIG. 1 ;
- FIG. 4 is a flow chart illustrating steps performed to form a battery cell using an exemplary cell housing according to the present invention
- FIG. 5 is a top plan view of a plurality of cell housings of FIG. 1 coupled together.
- FIG. 6 is a top plan view of a battery cell located in each of the plurality of cell housings of FIG. 5 .
- the term “hermaphroditic” means a device that has both male and female portions wherein the male portion is insertable into the female portions such as, for example, a tongue-and-groove arrangement.
- an exemplary embodiment of the present invention is a cell housing 100 for a large-format Lithium-ion (“Li-ion”) cell.
- Cell housing 100 is made of a pair of approximately squared-off “U” shaped first and second half sections 102 , 202 that are interlockable with each other.
- first and second half sections 102 , 202 are identical hermaphroditic sections that are interlockable when second half section 202 is rotated by 180 degrees compared to first half section 102 .
- a cell 101 is located within the space defined by interlocked hermaphroditic half sections 102 , 202 .
- First and second half sections 102 , 202 may be constructed from a metal extrusion, such as, for example, aluminum.
- a metal extrusion such as, for example, aluminum.
- elements 2 xx of second half section 202 have the same last two digits as respective elements 1 xx in first half section 102 .
- first half section 102 includes a longitudinal side 110 having a first end 112 and a second end 114 .
- a plurality of heat dissipating fins 115 extend outwardly from longitudinal side 110 . Heat dissipating fins 115 serve the purposes of dissipating heat away from cell housing 100 , as well as providing spacing between adjacent cell housings 100 , as will be discussed in more detail later herein.
- a first lateral side 116 extends perpendicularly to longitudinal side 110 from first end 112 .
- First lateral side 116 has a first tongue 118 .
- First tongue 118 has a first tongue lip 120 extending toward longitudinal side 110 .
- First lateral side 116 also has at least one heat dissipating fin 122 extending outwardly therefrom.
- a second lateral side 130 extends perpendicularly to longitudinal side 110 from second end 114 .
- Second lateral side 130 has a first groove 132 .
- First groove has a first groove lip 134 extending toward longitudinal side 110 .
- Second lateral side 130 also has at least one heat dissipating fin 136 extending outwardly therefrom.
- First half section 102 further includes a second groove 140 extending parallel to first lateral side 116 at an intersection of longitudinal side 110 and first lateral side 116 .
- Second groove 140 comprises a second groove lip 142 .
- a second tongue 144 extends parallel to second lateral side 130 at an intersection of longitudinal side 110 and second lateral side 130 .
- Second tongue 144 comprises a second tongue lip 146 .
- the length of second tongue 144 is the same length as that of heat dissipating fins 115 .
- First and second half sections 102 , 202 may be coupled to each other such that first tongue 118 of first half section 102 is inserted into first groove 232 of second half section 202 and first tongue 218 of second half section 202 is inserted into first groove 132 of first half section 102 , forming a closed perimeter.
- battery cell 101 is placed on a base 162 .
- half sections 102 , 202 are disposed around battery cell 101 and base 162 .
- step 504 first tongue 118 of first half section 102 is engaged with first groove 232 of second half section 202 and first tongue 218 of second half section 202 is engaged with first groove 132 of first half section 102 .
- step 506 an even pressure P is applied to longitudinal sides 110 , 210 , respectively, of both half sections 102 , 202 as shown in FIG. 1 .
- This even pressure results in an even pressure being applied to battery cell 101 , which provides an even contact force between adjacent electrodes and separators (not shown) that make up battery cell 101 .
- This even contact force provides for an even distribution of the current generated by battery cell 101 , resulting improved performance and longer life of battery cell 101 compared to prior art battery cells.
- first and second half sections 102 , 202 are secured to each other.
- a first clip 150 may be disposed over first tongue lip 120 of first half section 102 and first groove lip 234 of second half section 202 such that first clip 150 couples first and second half sections 102 , 202 , respectively, to each other.
- First clip 150 may be a generally “C-shaped” clip that is symmetric about a centerline, so that first clip 150 may couple first and second half sections 102 , 202 , respectively, to each other in one of two orientations.
- a second clip 152 may similarly be disposed over a first tongue lip 220 of second half section 202 and first groove lip 134 of first half section 102 such that second clip 152 couples first and second half sections 102 , 202 , respectively, to each other.
- a battery cell lid 164 is placed over battery cell 101 .
- a lip 166 of lid 164 extends over longitudinal sides 110 , 210 and lateral sides 116 , 130 , 216 , 230 .
- Lid 164 is secured to battery cell 101 by nuts 168 , 170 . Lid 164 prevents clips 150 , 152 from being slid upward and off cell housing 100 .
- a plurality of cell housings 100 , 100 ′ may be coupled together to form a multi-cell battery 200 .
- elements 1 xx ′ and 2 xx ′ of cell housing 100 ′ have the same digits as respective elements 1 xx and 2 xx in first cell housing 100 , but with a “′” (“prime”) at the end of the element in cell housing 100 ′.
- first half section 102 is identical to a third half section 102 ′ and second half section 202 is identical to a fourth half section 202 ′, with third and fourth half sections 102 ′ and 202 ′ making up second cell housing 100 ′.
- a tongue 144 ′ of second cell housing 100 ′ is inserted into a groove 240 of cell housing 100 and tongue 244 of cell housing 100 is inserted into a groove 140 ′ of second cell housing 100 ′ to couple cell housing 100 to cell housing 100 ′, forming multi-cell battery 200 .
- Third and fourth clips 154 , 156 may be used to couple cell housings 100 , 100 ′ to each other.
- Third clip 154 slides over the tongue and groove connections of tongue 144 ′ and groove 240
- fourth clip 156 slides over the tongue and groove connections of tongue 244 and groove 140 ′.
- heat dissipating fins 215 of cell housing 100 engage the longitudinal side 110 ′ of second cell housing 100 ′ and several of the heat dissipating fins 115 ′ of second cell housing 100 ′ engage the longitudinal side 210 of first cell housing 100 such that a plurality of voids 160 are formed between cell housing 100 and second cell housing 100 ′. These voids allow for air flow between cell housing 100 and second cell housing 100 ′ and help to dissipate heat generated within cell housing 100 and second cell housing 100 ′ by their respective battery cells 101 , 201 .
Abstract
Description
Claims (15)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12/730,642 US8609274B2 (en) | 2010-03-24 | 2010-03-24 | Nested heatsink housing for lithium ion cells |
PCT/US2011/029514 WO2011119665A1 (en) | 2010-03-24 | 2011-03-23 | Nested heatsink housing for lithium ion cells |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12/730,642 US8609274B2 (en) | 2010-03-24 | 2010-03-24 | Nested heatsink housing for lithium ion cells |
Publications (2)
Publication Number | Publication Date |
---|---|
US20110236740A1 US20110236740A1 (en) | 2011-09-29 |
US8609274B2 true US8609274B2 (en) | 2013-12-17 |
Family
ID=43989573
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US12/730,642 Expired - Fee Related US8609274B2 (en) | 2010-03-24 | 2010-03-24 | Nested heatsink housing for lithium ion cells |
Country Status (2)
Country | Link |
---|---|
US (1) | US8609274B2 (en) |
WO (1) | WO2011119665A1 (en) |
Cited By (5)
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US20110250492A1 (en) * | 2010-04-09 | 2011-10-13 | Sanshu Industry Co., Ltd. | Battery case, battery case manufacturing method, and battery case manufacturing apparatus used for the method |
USD721706S1 (en) * | 2013-08-06 | 2015-01-27 | Bedrock Automation Platforms Inc. | Input output module for an industrial control system |
USD721707S1 (en) * | 2013-08-06 | 2015-01-27 | Bedrock Automation Platforms Inc. | Communications control module for an industrial control system |
USD776630S1 (en) | 2013-08-06 | 2017-01-17 | Bedrock Automation Platforms Inc. | Backplane for an industrial control system (ICS) |
US11309597B2 (en) | 2018-01-11 | 2022-04-19 | Carrier Corporation | Battery temperature control |
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FR2988914A3 (en) * | 2012-03-30 | 2013-10-04 | Renault Sa | Module structure for housing Lithium-ion battery cells in battery module in e.g. electric vehicle, has structure element formed such that spacing is formed between basic walls, where flexible envelope is placed between basic walls |
FR2995128B1 (en) * | 2012-08-28 | 2016-02-12 | Valeo Equip Electr Moteur | METHOD FOR MANUFACTURING ELECTRIC ENERGY STORER AND CORRESPONDING STORER |
JP5796785B2 (en) * | 2012-09-28 | 2015-10-21 | 株式会社Gsユアサ | Power storage device |
US9196878B2 (en) * | 2012-11-20 | 2015-11-24 | GM Global Technology Operations LLC | Stackable cartridge module design |
US9379408B2 (en) * | 2013-03-05 | 2016-06-28 | GM Global Technology Operations LLC | Hemmed fuel cell stack enclosure |
WO2015050281A1 (en) * | 2013-10-01 | 2015-04-09 | 주식회사 엘지화학 | Battery cell and battery module using same |
WO2016045752A1 (en) * | 2014-09-26 | 2016-03-31 | Vlaamse Instelling Voor Technologisch Onderzoek (Vito) Nv | Method for packaging and connecting electric storage cells for efficiency and cycle/life expectancy |
KR101823584B1 (en) * | 2015-03-04 | 2018-01-30 | 주식회사 엘지화학 | Battery Pack |
US20170237111A1 (en) * | 2016-01-21 | 2017-08-17 | 24M Technologies, Inc. | Centrally located spacers for electrochemical cells |
US10396413B2 (en) * | 2016-01-22 | 2019-08-27 | Ford Global Technologies, Llc | Battery cooling fin |
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WO2019010449A1 (en) * | 2017-07-07 | 2019-01-10 | Johnson Controls Technology Company | Modular housing for battery systems |
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CN108336268B (en) * | 2018-02-24 | 2021-02-09 | 信丰永冠塑电科技有限公司 | Lithium battery shell and lithium battery using same |
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Also Published As
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US20110236740A1 (en) | 2011-09-29 |
WO2011119665A1 (en) | 2011-09-29 |
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